连连看java程序 第9页

连连看java程序 第9页
package kyodai;

import java.io.*;
import javax.sound.sampled.*;
import java.net.*;

/**
 * 控制音乐特效
 */
public class Sound implements Runnable {

 String currentName;
 Object currentSound;
 Thread thread;
 String[] filename = {
  "sound/select.wav", "sound/earse.wav", "sound/bomb.wav",
  "sound/refresh.wav", "sound/hint.wav"};

 public static int SELECT = 0;
 public static int EARSE = 1;
 public static int BOMB = 2;
 public static int REFRESH = 3;
 public static int HINT = 4;

 public Sound(int sound) {
  if (sound < 0 || sound > 4) {
   return;
  }

  URLClassLoader urlLoader = (URLClassLoader)this.getClass().getClassLoader();
  URL url = urlLoader.findResource(filename[sound]);

  try {
   currentSound = AudioSystem.getAudioInputStream(url);
  }
  catch (Exception ex1) {
   currentSound = null;
   return;
  }

  if (currentSound instanceof AudioInputStream) {
   try {
    AudioInputStream stream = (AudioInputStream) currentSound;
    AudioFormat format = stream.getFormat();

    DataLine.Info info = new DataLine.Info(
     Clip.class,stream.getFormat(),
     ( (int) stream.getFrameLength() *
      format.getFrameSize()));

    Clip clip = (Clip) AudioSystem.getLine(info);
    clip.open(stream);
    currentSound = clip;
   }
   catch (Exception ex) {
    currentSound = null;
    return;
   }
  }

  if (currentSound != null) {
   start();
  }
 }

 public void playSound() {
  if (currentSound instanceof Clip) {
   Clip clip = (Clip) currentSound;
   clip.start();
   try {
    thread.sleep(999);
   }
   catch (Exception e) {
   }
   while (clip.isActive() && thread != null) {
    try {
     thread.sleep(99);
    }
    catch (Exception e) {
     break;
    }
   }

   clip.stop();
   clip.close();
  }
  currentSound = null;
 }

 public void start() {
  thread = new Thread(this);
  thread.start();
 }

 public void run() {
  playSound();
  stop();
 }

 public void stop() {
  if (thread != null) {
   thread.interrupt();
  }
  thread = null;
 }
}

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